CITROEN DS4 Owner's Handbook Manual page 135

Windscreen and headlamp
wash
Pull the windscreen wiper stalk towards
you. The windscreen wash then the
windscreen wipers operate for a fixed
period.
The headlamp washers only operate when the
dipped beam headlamps are on .
Low screenwash/headlamp
wash level
On vehicle fitted with headlamp washers, the
low level of this fluid is indicated by gauge in
the reservoir filler neck under the bonnet.
Checking and topping up this fluid can only be
done when stationary with the engine off.
The driver should check the level of
this fluid regularly, particularly during
winter.
Refer to "Checks - § Screenwash/headlamp
wash level" for the procedure on checking the
level.
133
Visibility